/*
Copyright 2010-2011 CumulusCloud
http://cumuluscloud.cc

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package cumulusCloud.repository.folderdb;

import java.util.Map;

import cumulusCloud.caching.ConcurrentHashMapAmountCache;
import cumulusCloud.common.InformationPath;
import cumulusCloud.common.objects.CloudUser;
import cumulusCloud.folderdb.FolderDB;
import cumulusCloud.repository.UserRepository;
import cumulusCloud.repository.folderdb.converter.xml.ConverterCloudUserXml;

public class UserRepositoryFolderDB implements UserRepository {
	protected FolderDB<CloudUser> folderdb;
	protected Map<String, CloudUser> cache = new ConcurrentHashMapAmountCache<String, CloudUser>(1000);

	public UserRepositoryFolderDB() {
		folderdb = new FolderDB<CloudUser>();
		folderdb.init(InformationPath.getCloudGlobalConfigPath() + "users", new ConverterCloudUserXml());
	}
	
	@Override
	public boolean deleteUser(String name) {
		cache.remove(name);
		return folderdb.deleteObject(name);
	}

	@Override
	public CloudUser[] getAllUsers() {
		return folderdb.getAllObjects().toArray(new CloudUser[0]);
	}

	@Override
	public CloudUser getUser(String name) {
		CloudUser result = cache.get(name);
		if (result == null) {
			result = folderdb.getObject(name);
			if (result != null) {
				cache.put(name, result);
			}
		}
		return result;
	}

	@Override
	public boolean saveUser(CloudUser user) {
		cache.put(user.name, user);
		return folderdb.saveObject(user);
	}

}
